package com.itheima.service;

import com.itheima.pojo.StartAndEnd;

import java.util.Date;
import java.util.List;
import java.util.Map;

public interface StatisticsService {
    Map<String, Object> findAppointmentCountByTime(Date start,Long monthCount);

    List<Map<String,Object>> packageIncome(StartAndEnd startAndEnd);

    Map<String,Object> ageDistribution();

    List personnelDistribution();
}
